The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 05, 2026
Filed:
Dec. 21, 2020
Applicant:
LT Materials Co., Ltd., Yongin-si, KR;
Inventors:
Assignee:
LT MATERIALS CO., LTD., Yongin-si, KR;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/54 (2006.01); C07D 405/04 (2006.01); C07D 405/14 (2006.01); C07D 409/14 (2006.01); C07D 487/04 (2006.01); C07D 491/048 (2006.01); C07D 493/04 (2006.01); C07D 495/04 (2006.01); H10K 71/16 (2023.01); H10K 85/60 (2023.01); H10K 71/00 (2023.01);
U.S. Cl.
CPC ...
C07D 405/14 (2013.01); C07D 405/04 (2013.01); C07D 409/14 (2013.01); C07D 487/04 (2013.01); C07D 491/048 (2013.01); C07D 493/04 (2013.01); C07D 495/04 (2013.01); H10K 71/164 (2023.02); H10K 85/631 (2023.02); H10K 85/654 (2023.02); H10K 85/657 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); H10K 71/00 (2023.02);
Abstract
The present specification provides a heterocyclic compound represented by Chemical Formula 1, an organic light emitting device comprising the same, a composition for an organic material layer of an organic light emitting device, and a method for manufacturing an organic light emitting device.